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One Stop Aviation Weather Information Shopping;

Aviation Digital Data Service

National Weather Service Aviation Weather Center

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• Aviation Digital Data Service (ADDS)• Developed by NCAR • Operational in Autumn 2003*• Averaging 10 million hits per day, 120 GB per

day!• http://adds.aviationweather.gov

* Many recent innovative additions

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• Aviation Partners in ADDS include:– Federal Aviation Administration– FAA Aviation Weather Research Program– Forecast Systems Laboratory Aviation Division– Forecast Systems Laboratory Research Division– Forecast Systems Laboratory Forecast Verification Branch– National Weather Service Office of Climate, Weather, and

Water Services– NCEP Central Operations– NCEP Environmental Modeling Center– National Center for Atmospheric Research

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• Types of data available via ADDS:– Graphical AIRMETs (G-AIRMET)– AIRMETs/SIGMETs– Satellite Imagery (Domestic and International)– WSR-88D Radar Data– METARs– TAFs– PIREPs– Prognostic Charts (Low, Mid, and High Level)– GTG, FIP, CIP – Flight Path Tool

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• Operationally produced Oct 1, 2008

• “Experimental”• More precise in

time and space than text

Graphical AIRMET

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• Domestic and international images available

• Break down by region

• Loops and still images

Satellite Imagery

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• Domestic mosaic• Ability to view site

radar

Radar

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Radar

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• METAR Java tool allows user to zoom in on specific regions

• Mouse over capability to look at most current observations

METARS

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TAFs• TAF Java tool

allows user to zoom in on specific regions

• Mouse over capability to look at most current TAFs

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PIREPs

• TAF PIREP tool allows user to zoom in on specific regions

• Mouse over capability to look at most current PIREPs

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AWC PIREP Web Page• Web interface allowing

dispatchers to share PIREPs with the aviation community

• Account for 10% of all PIREPs

Partners: Commercial Airlines and CWSU’s

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Prognostic Charts

• Surface• Mid Level

– (FL100-FL450)• High Level

– (FL250-FL630)

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• AIRMETs• SIGMETs• Graphical

Turbulence Guidance

Turbulence

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Icing• AIRMETs• SIGMETs• Current Icing

Product - Severity• Forecast Icing

Potential

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Convection

• Collaborative Convective Forecast Product (CCFP)

• Convective SIGMETs

• National Convective Weather Forecast Product (NCWF)

• SPC Outlooks

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Winds and Temps Aloft

• Winds and temperatures aloft – (SFC – FL480)

• Streamlines• Temperature

Difference

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Winds and Temps Aloft (cont’d)• FB Winds Aloft• Text based• 3 Hourly Forecast by

region and site

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Flight Path Tool

Flight Path Tool

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AviationWeather.gov• ADDS is much more than a web display• ADDS is a database

– Most content dynamically generated upon request

– Real power in ability to access underlying data directly

• Utilize and integrate with user interfaces

Supporting the Nation’s commerce with information for safe, efficient, and environmentally sound transportation. 23

Thank You